CN208476319U - A kind of anti-blocking self-clean type flowmeter - Google Patents
A kind of anti-blocking self-clean type flowmeter Download PDFInfo
- Publication number
- CN208476319U CN208476319U CN201820896314.8U CN201820896314U CN208476319U CN 208476319 U CN208476319 U CN 208476319U CN 201820896314 U CN201820896314 U CN 201820896314U CN 208476319 U CN208476319 U CN 208476319U
- Authority
- CN
- China
- Prior art keywords
- pressure
- clapboard
- type flowmeter
- clean type
- blocking self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000004809 Teflon Substances 0.000 claims abstract description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 241000233855 Orchidaceae Species 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 abstract description 8
- 239000003034 coal gas Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000000737 periodic Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000035695 Efflux Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001702 transmitter Effects 0.000 description 1
Abstract
The utility model relates to fluid flow rate measurement apparatus, especially anti-blocking self-clean type flowmeter.Aim to solve the problem that prior art device using the dirty fluid such as middle coal gas the problem of causing flow meter from being blocked to fail.The utility model includes a pair of of positioning flange, detection piece is installed between flange, this detection piece includes the clapboard with semilune free air space, the wedge shape plate surface is coated with Teflon anti-stick coating, its cross sectional dimensions is in that gradient shape is tapered, and the gradient is between 1:2-1:2000 from top to bottom.Advantage is: can, gas or liquid working that adhesiveness strong dirty in medium under the conditions of, realization works reliably and with long-term.
Description
Technical field
The utility model relates to measurement of fluid flow apparatus field, especially a kind of anti-blocking self-clean type flowmeter.It is applicable in
In various fluids including liquid, gas, the flow measurement of for example various coal gas of especially impure gas is a kind of novel
Differential pressure flowmeter.
Background technique
In industrial production at this stage, existing flow instrument can substantially be competent at the flow measurement of clean fluid, but
It is for dirty adhesiveness fluid, there are no relatively satisfactory flow instruments.There is a kind of V-Bar Flowmeter at present, is able to solve one
Divide the flow measurement of dirty fluid, but if fluid contains adhesiveness impurity, such as tar in coal gas, naphthalene, with temperature
Reduction adhesiveness be remarkably reinforced, wedge surface can be adhered to, medium smooth outflow is influenced and influence measurement accuracy, even lose
Effect.So far there are no a kind of flowmeters can preferably solve the problems, such as this.
Summary of the invention
The purpose of this utility model is exactly to solve the problems, such as that flowmeter is easy to be blocked in the prior art.
The concrete scheme of the utility model is:
A kind of anti-blocking self-clean type flowmeter is designed, is mounted on measured pipeline, including a pair of of positioning flange, in method
Your beautiful writings is equipped with detection piece, this detection piece includes the clapboard with semilune free air space, and the wedge shape plate surface is coated with
Teflon anti-stick coating, cross sectional dimensions are in that gradient shape is tapered from top to bottom, and the gradient is between 1:2-1:2000.
In specific implementation, the clapboard is equipped with mounting hole with mounting plate constant temperature heat tape.
In specific implementation, pressure tappings are set on two side flanges of the clapboard, the quantity of two sides pressure tappings is 2-4,
It is connected to through pressure pipe by manifold between the pressure tappings, not tally manifold collection is followed by pressure guiding pipe, and it is heavy to be connected in the bottom of the pressure guiding pipe
Device drops.
In specific implementation, the coated effective constant temperature heat tape in the outer surface of pressure pipe, manifold and pressure guiding pipe.
The utility model has the beneficial effects that:
Can, gas or liquid working that adhesiveness strong dirty in medium under the conditions of, realization works reliably and with long-term；
The a little higher than medium temperature of temperature after energization, sticky contaminant viscosity become smaller, and are not easy to adhere to and influence in pressure pipeline
The transmission of differential pressure signal, substantially increases reliability, solves the problems, such as the measurement of fluid flow containing sticky impurity.
Detailed description of the invention
Fig. 1 is the main view of the utility model structure；
Fig. 2 is the side-looking direction cross-sectional view of the utility model structure；
The names of the parts in figure: 1. anti-blowpipes；2. pressure tappings；3. pressure pipe；4. settler；5. effective constant temperature electric heating
Band；6. pressure guiding pipe；7. manifold；8. flange；9. back blow port；10. clapboard；11. back-flushing valve；12. plate constant temperature heat tape.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
A kind of anti-blocking self-clean type flowmeter is mounted on measured pipeline referring to Fig. 1 to Fig. 2, including a pair of of positioning is used
Flange is equipped with detection piece between flange, this detection piece includes the clapboard 10 with semilune free air space, the clapboard
10 surfaces are coated with Teflon anti-stick coating, and cross sectional dimensions is in that gradient shape is tapered from top to bottom, and the gradient is in 1:2-1:
Between 2000, wherein it is preferred that 1:40.
Pressure tappings 2 are arranged in the two sides of clapboard, and the quantity of two sides pressure tappings 2 is 2-4, through pressure pipe 3 between pressure tappings 2
It is connected to by manifold 7, two manifolds 7, which collect, is followed by pressure guiding pipe 6, is connected to settler 4 in the bottom of pressure guiding pipe.
Wedge shape is made into upper half block piece, and plate face spraying Teflon, plate are built into constant temperature heat tape 12, reduce
The viscosity of medium, is conducive to bur by fluid impact and dissolves in fluid near plate face.
Clapboard 10 is equipped with mounting hole with mounting plate constant temperature heat tape 12.Pressure pipe 3, manifold 7 and pressure guiding pipe 6
The coated effective constant temperature heat tape 5 in outer surface.
The a little higher than medium temperature of temperature after energization, sticky contaminant viscosity become smaller, and are not easy to adhere to and influence in 3 tunnel of pressure pipe
The transmission of differential pressure signal, substantially increases reliability, solves the problems, such as the measurement of fluid flow containing sticky impurity.
Between every two connected manifolds 7, the settler 4 of the other end installation periodic cleaning sediment of pressure guiding pipe 6.The design
It can guarantee the unimpeded operation of equipment with periodic cleaning.Specifically, in order to guarantee the unimpeded of 6 tunnel of pressure guiding pipe, being needed in the course of work
The impurity for entering pipeline is discharged inside pressure guiding pipe 6 in time, original technology is out of service rear artificial when blocking
Cleaning just will receive the resistance of user if the frequency of blocking is higher than maintenance week inspection regulation.The utility model is at 6 end of pressure guiding pipe
End adds a settler 4, in addition to impurity can be allowed along pipeline flowing into pipeline, can also be stored in settler 4, reduces completely
A possibility that blocking.It generally is not required to additional maintenance except the normal service phase, thus the welcome by user.
On 8 face of flange for being provided with pressure tappings 2, it is equipped with back blow port 9, the reversed blowpipe 1 of 9 interpolation of back blow port welds, anti-blowpipe
On be connected to back-flushing valve 11.In the course of work, it is periodically blown into solvent, can dissolve the bur on wedge, is kept wedge (throttling element)
Without bur, shape invariance, efflux coefficient is constant, accuracy is also constant.
In specific work process, a pair of of flange 8 is accessed in the process pipeline that internal diameter is Ф 300, is clamped between two flanges 8
One piece of clapboard 10, the gradient on wedge two sides are 1:20, Ф 10 are bored among wedge, plate constant temperature is inserted into the hole of deep 100mm
Heat tape 12.Between 8 screw hole of flange, from the inside holes drilled through-pressure tappings 2 in 8 periphery of flange, diameter Ф 14 is inserted into pressure pipe
3 welding.This pipeline category medium format, pressure tappings 2 set two pairs four, and the outlet end of pressure pipe 3 is connected to by manifold 7, two sections of discriminations
Pipe 7, which collects, connects pressure guiding pipe 6, the latter and differential pressure transmitter (not showing in prior art, figure) connection.The connection of 6 bottom end of pressure guiding pipe
Settler 4.In 8 face of flange for being provided with pressure tappings 2, a back blow port 9 is bored, diameter Ф 14, insertion anti-blowpipe 1 weld, Guan Shangjie
There is back-flushing valve 11.Effective constant temperature heat tape 5 is tied up in pressure pipe 3, manifold 7 and 6 appearance bread of pressure guiding pipe.
When installation, a distance is cut open in process pipeline and is inserted into this flowmeter, 8 internal bore welding of flange is inserted into pipeline end face
It connects, notices that medium flow direction meets the flow direction mark of flowmeter label.Pressure valve is welded in the outlet end of pressure guiding pipe 6, is not putting into operation
Up till now valve was closed.Effective constant temperature heat tape 5 accesses alternating current by power switch, has throwing after items of equipment installation is appropriate
Arc manipulation part.
Embodiment 2, the present embodiment principle is with embodiment 1, and specifically the difference is that, 10 two sides of clapboard are respectively provided with one
Pressure tappings 2, corresponding, the end of single manifold 7 is provided with pressure guiding pipe 6 and expansion chamber.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of anti-blocking self-clean type flowmeter, is mounted on measured pipeline, it is characterised in that: position usage including a pair
Orchid is equipped with detection piece between flange, this detection piece includes the clapboard (10) with semilune free air space, the clapboard
(10) surface is coated with Teflon anti-stick coating, and cross sectional dimensions is in that gradient shape is tapered from top to bottom, and the gradient is in 1:2-
Between 1:2000.
2. anti-blocking self-clean type flowmeter as described in claim 1, it is characterised in that: the clapboard (10) is equipped with mounting hole
With mounting plate with constant temperature heat tape (12).
3. anti-blocking self-clean type flowmeter as described in claim 1, it is characterised in that: be arranged on two side flanges of the clapboard
Pressure tappings (2), the quantity of two sides pressure tappings (2) are 2-4, are connected through pressure pipe (3) by manifold (7) between the pressure tappings (2)
Logical, two manifolds (7), which collect, is followed by pressure guiding pipe (6), is connected to settler (4) in the bottom of the pressure guiding pipe.
4. anti-blocking self-clean type flowmeter as claimed in claim 3, it is characterised in that: the pressure pipe (3), manifold (7) and draw
The coated effective constant temperature heat tape (5) in the outer surface of pressure pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896314.8U CN208476319U (en) | 2018-06-11 | 2018-06-11 | A kind of anti-blocking self-clean type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896314.8U CN208476319U (en) | 2018-06-11 | 2018-06-11 | A kind of anti-blocking self-clean type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476319U true CN208476319U (en) | 2019-02-05 |
Family
ID=65217139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820896314.8U Expired - Fee Related CN208476319U (en) | 2018-06-11 | 2018-06-11 | A kind of anti-blocking self-clean type flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476319U (en) |
-
2018
- 2018-06-11 CN CN201820896314.8U patent/CN208476319U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20210611 |